Code: 00 00 48 c7 80 70 09 00 00 00 00 00 00 48 c7 80 80 0c 00 00 00 00 00 00 48 c7 c7 d7 29 9d 8e 4c 89 e6 4c 89 fa e8 05 40 29 ff <0f> 0b 4d 85 e4 0f 89 71 ff ff ff e8 f5 3c 7a ff 4c 89 f7 e8 cd 6d
RSP: 0018:ffff8881263375c0 EFLAGS: 00010046
RAX: 2300382a474e7100 RBX: ffff88809187cc01 RCX: ffff88809187c100
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888126337628 R08: ffffffff817becc4 R09: ffff88823fc73448
R10: ffff8881263370f8 R11: ffff888228b21f60 R12: fffffffffffffffd
=====================================================
BUG: KMSAN: uninit-value in __show_regs+0xbe2/0xc90 arch/x86/kernel/process_64.c:89
 __show_regs+0xbe2/0xc90 arch/x86/kernel/process_64.c:89
 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469
 __warn+0x242/0x580 kernel/panic.c:618
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:317
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:338
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568
 page_counter_cancel+0x11b/0x4f0 mm/page_counter.c:55
 page_counter_uncharge+0x38/0xb0 mm/page_counter.c:158
 drain_stock+0xaa/0x380 mm/memcontrol.c:2256
 __refill_stock+0xb0/0x320 mm/memcontrol.c:2299
 refill_stock mm/memcontrol.c:2314 [inline]
 try_charge_memcg+0x166a/0x1e20 mm/memcontrol.c:2765
 obj_cgroup_charge_pages+0x2c9/0x690 mm/memcontrol.c:3095
 obj_cgroup_charge+0x239/0x310 mm/memcontrol.c:3385
 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline]
 slab_pre_alloc_hook mm/slab.h:715 [inline]
 slab_alloc_node mm/slub.c:3318 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x223/0xdc0 mm/slub.c:3422
 vm_area_dup+0x58/0x420 kernel/fork.c:466
 __split_vma+0x153/0xad0 mm/mmap.c:2211
 split_vma+0xcb/0x120 mm/mmap.c:2273
 mprotect_fixup+0x97e/0xff0 mm/mprotect.c:617
 do_mprotect_pkey+0xd60/0x14d0 mm/mprotect.c:792
 __do_sys_mprotect mm/mprotect.c:819 [inline]
 __se_sys_mprotect mm/mprotect.c:816 [inline]
 __ia32_sys_mprotect+0x94/0xe0 mm/mprotect.c:816
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable df created at:
 kmem_cache_free_bulk+0x84/0xd50 mm/slub.c:3773
 mt_free_bulk lib/maple_tree.c:163 [inline]
 mas_destroy+0x6282/0x6990 lib/maple_tree.c:5769

CPU: 1 PID: 8811 Comm: syz-executor.1 Not tainted 6.1.0-rc2-syzkaller-61959-gbe8b0d020631 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================